Re: Re: [COMMITTERS] pgsql: Close previously open holes for invalidly encoded data to enter - Mailing list pgsql-hackers

From Andrew Dunstan
Subject Re: Re: [COMMITTERS] pgsql: Close previously open holes for invalidly encoded data to enter
Date
Msg-id 46F0689C.5030500@dunslane.net
Whole thread Raw
In response to Re: Re: [COMMITTERS] pgsql: Close previously open holes for invalidly encoded data to enter  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers

Tom Lane wrote:
> Andrew Dunstan <andrew@dunslane.net> writes:
>   
>> We can revert that if necessary. It will open up a hole, though. Take 
>> your pick - spec compliance or validly coded data.
>>     
>
> I would rather take CONVERT USING out altogether, than have an
> implementation that so clearly disregards the spec as to not even return
> a compatible datatype.
>
> Other than the fact that it's supposed to return varchar, the spec's
> description of what it converts to what seems about as clear as mud.
> I suspect however that it can't really be implemented properly without
> support for per-value (or at least per-column) encoding, which is
> something we're nowhere near having.  Maybe we *should* take it out
> instead of using spec-defined syntax for a behavior that we made up
> out of whole cloth.
>
>     
>   

Works for me. If there's no objection I'll start on that in a few days.

cheers

andrew


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